fix test output

Author: steverhoades

tests/330-poll-pipe.phpt

@@ -4,17 +4,18 @@ Check poll of a pipe works
 <?php
 $fd = popen(PHP_BINARY . " ". __DIR__ . "/fixtures/proc.php", "w");
 stream_set_blocking($fd, 0);
-fwrite($fd, 'test');
 
 $loop = uv_loop_new();
 $poll = uv_poll_init($loop, $fd);
 
 uv_poll_start($poll, UV::READABLE, function($poll, $stat, $ev, $fd) {
-    echo "OK";
+    echo "\nOK";
     uv_poll_stop($poll);
     pclose($fd);
 });
 uv_run($loop);
 
+fwrite($fd, 'test');
 --EXPECT--
+hello
 OK